Betbeder Julie, Arvor Damien, Blanc Lilian, Cornu Guillaume, Bourgoin Clément, Le Roux Renan, Mercier Audrey, Sist Plinio, Mazzei Lucas, Brenez Christian, Dessard Hélène, Tritsch Isabelle, Gond Valéry.
2021. Assessing the causes of tropical forest degradation using Landsat time series: A case study in the Brazilian Amazon.
In : IGARSS 2021 - 2021 IEEE International Geoscience and Remote Sensing Symposium Proceedings. IEEE
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Résumé : Monitoring forest degradation at fine scale over large area is critical from an environmental point of view since it provides crucial information for many ecological applications. We introduce an automatic method based on optical Landsat time series (2000–2017) to detect and quantify forest disturbances and to identify the causes of forest degradation. The method is based on i) an automatic spectral unmixing to detect forest's disturbances and on ii) landscape metrics and temporal indicators to detect the causes of forest degradation. We applied the approach in the Brazilian Amazon municipality of Paragominas to map forested areas affected by reduced impact logging, conventional logging or illegal logging and fires.
Mots-clés libres : Forest disturbances, Remote Sensing, Illegal logging, Conventional logging, Landsat imagery
Auteurs et affiliations
- Betbeder Julie, CIRAD-ES-UPR Forêts et sociétés (FRA)
- Arvor Damien, CNRS (FRA)
- Blanc Lilian, CIRAD-ES-UPR Forêts et sociétés (FRA)
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Cornu Guillaume, CIRAD-ES-UPR Forêts et sociétés (FRA)
ORCID: 0000-0002-7523-5176
- Bourgoin Clément, CIRAD-ES-UPR Forêts et sociétés (FRA)
- Le Roux Renan, INRAE (FRA)
- Mercier Audrey, CIRAD-ES-UPR Forêts et sociétés (FRA)
- Sist Plinio, CIRAD-ES-UPR Forêts et sociétés (FRA)
- Mazzei Lucas, EMBRAPA (BRA)
- Brenez Christian, CATIE (CRI)
- Dessard Hélène, CIRAD-ES-UPR Forêts et sociétés (FRA)
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Tritsch Isabelle, CIRAD-ES-UPR Forêts et sociétés (FRA) ORCID: 0000-0001-6421-1833
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Gond Valéry, CIRAD-ES-UPR Forêts et sociétés (FRA) ORCID: 0000-0002-0080-3140
Source : Cirad-Agritrop (https://agritrop.cirad.fr/600331/)
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